- Experiment Name: Hikurangi Subduction System (New Zealand) Seismic
Transects
- PI: White, Haines, Stern, Davey, Stuart
- Email: rwhite@esc.cam.ac.uk
- Sponsor: IGNS
- Inst: Cambridge, Cambridge, Victoria, IGNS, Leeds
- Start_Date: 2/1/2001
- End_Date: 4/1/2001
- Lat: -39.55
- Long: 175.5
- Chan3: 100
- Descr: The principal objectives of this project are to obtain deep
crustal structure profiles along two transects crossing the young, ctive
convergent plate margin between the oceanic Pacific and the continental
Australian plates beneath the North Island of New Zealand. This is a
superb area for investigationg processes at a convergent margin. The
two transects, across the central and southern parts of North Island,
are through tectonic environments at different stages of development
of the subduction system. Both transects cross all the way from the
Pacific oceanic plate, through the active accretionary prism and on
to the continental crust of the Australian plate. The geographic setting
means that both sides of the convergent margin can be approached at
sea, with huge advantages of being able to use marine seismic airgun
sources and ocean bottom seismometer receivers, together wit the ability
to deploy a dense (1 km spacing) array of 3-component seismometers on
land in the intervening sections of North Island.
|
